Pittsburgh police used an audio cannon manufactured by American Technologies Corp, a San Diego-based company, to disperse protesters outside the G-20 Summit — the first time its LRAD series device…
Posted on Saturday, 26 September 2009
Posted on Saturday, 26 September 2009
Pittsburgh police used an audio cannon manufactured by American Technologies Corp, a San Diego-based company, to disperse protesters outside the G-20 Summit — the first time its LRAD series device…